Soil survey : perspectives and strategies for the 21st century; an international workshop for heads of national soil survey organizations, November 1992, Enschede /
edited by J. Alfred Zinck.
- Rome : FAO, 1995.
- 128 p.
- World soil resources reports ; 80. .
9251036624
Soil surveys--Geographical methods.
9251036624
Soil surveys--Geographical methods.